90700025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1873}}^1$

素因数の和:2045

約数の個数: 24

約数和(自身を含む): 121997400

約数和(自身を除く): 31297375

約数列:

[1, 5, 13, 25, 65, 149, 325, 745, 1873, 1937, 3725, 9365, 9685, 24349, 46825, 48425, 121745, 279077, 608725, 1395385, 3628001, 6976925, 18140005, 90700025]

約数ペア:

[(1, 90700025), (5, 18140005), (13, 6976925), (25, 3628001), (65, 1395385), (149, 608725), (325, 279077), (745, 121745), (1873, 48425), (1937, 46825), (3725, 24349), (9365, 9685)]